Finding the Fourth Proportional to 206,307,484.05, 309,461,226.08 and 206,307,484.05
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Solution
The fourth proportional to 206,307,484.05, 309,461,226.08 and 206,307,484.05 is: 309,461,226.08
Step by Step Solution
- Step 1: Write the proportion equation
206,307,484.05 : 309,461,226.08 = 206,307,484.05 : x - Step 2: Convert to fraction form
206,307,484.05/309,461,226.08 = 206,307,484.05/x - Step 3: Cross multiply
206,307,484.05x = 309,461,226.08 × 206,307,484.05 - Step 4: Simplify right side
206,307,484.05x = 63,844,166,962,561,504 - Step 5: Solve for x
x = 63,844,166,962,561,504/206,307,484.05 - Step 6: Final answer
x = 309,461,226.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.